Color In Light
There is no color until light reflects from a surface; however, the color must be within the light for it to be reflected. Combine all colors in light and you get white or any three colors equidistant on the color wheel will produce white light, usually red + green + blue. Why isn't brown in the spectrum?
Sun | Happy Light | Sunburn | Circadian
Color In Pigment
Combine all colors in paint and you get black.
Yellow, Blue, Red = Primary Colors
Green, Orange, Purple = Secondary Colors
Colors that are opposite on the color wheel are called 'Complimentary.'
Value is the range of dark to light, often shown as 'grey scale'.
Saturation is the intensity or purity of the color.
If you place opposite colors of full saturation, next to each other, you achieve 'vibrating boundaries' or the experience that the colors are vibrating where the colors meet.